Search a number
-
+
830216351 = 4319307357
BaseRepresentation
bin110001011111000…
…001100010011111
32010212012100201202
4301133001202133
53200013410401
6214214230115
726400502556
oct6137014237
92125170652
10830216351
113966a9918
121b205533b
131030024a3
147c392d9d
154cd4506b
hex317c189f

830216351 has 4 divisors (see below), whose sum is σ = 849523752. Its totient is φ = 810908952.

The previous prime is 830216347. The next prime is 830216353. The reversal of 830216351 is 153612038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 830216351 - 22 = 830216347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830216353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9653636 + ... + 9653721.

It is an arithmetic number, because the mean of its divisors is an integer number (212380938).

Almost surely, 2830216351 is an apocalyptic number.

830216351 is a deficient number, since it is larger than the sum of its proper divisors (19307401).

830216351 is a wasteful number, since it uses less digits than its factorization.

830216351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19307400.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 830216351 is about 28813.4751635411. The cubic root of 830216351 is about 939.8612859293.

Adding to 830216351 its reverse (153612038), we get a palindrome (983828389).

The spelling of 830216351 in words is "eight hundred thirty million, two hundred sixteen thousand, three hundred fifty-one".

Divisors: 1 43 19307357 830216351